Anchor Lisa Mullins tells us about a new CD inspired by Yo-Yo Ma's Silk Road Project. The album is by Iranian musician Kayhan Kalhor and the American string quartet Brooklyn Rider. The CD is called "Silent City."

Anchor Lisa Mullins tells us about a new CD inspired by Yo-Yo Ma's Silk Road Project. The album is by Iranian musician Kayhan Kalhor and the American string quartet Brooklyn Rider. The CD is called "Silent City."

Anchor Lisa Mullins tells us about a new CD inspired by Yo-Yo Ma's Silk Road Project. The album is by Iranian musician Kayhan Kalhor and the American string quartet Brooklyn Rider. The CD is called "Silent City."